Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-A
TLE Epoch: 2021 12 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  METOP-A Lat/Lon    Distance(km)  Time Diff(sec)
 12/21/2021   16:53:09   (  -0.04,-137.20) (  -0.70,-134.06)  357.07                80
 12/22/2021   05:09:12   (   0.04,-137.18) (  -0.13,-137.93)   84.53                80
 12/24/2021   16:55:02   (  -0.04,-137.18) (  -0.65,-134.38)  319.32                80
 12/25/2021   05:11:15   (   0.03,-137.16) (  -0.20,-138.28)  127.54                80
 12/27/2021   16:56:52   (  -0.03,-137.15) (  -0.54,-134.68)  280.86                80
 12/28/2021   05:13:18   (   0.03,-137.13) (  -0.29,-138.64)  171.52                80
 12/30/2021   16:58:43   (  -0.03,-137.10) (  -0.48,-134.98)  240.95                80
 12/31/2021   05:15:20   (   0.02,-137.08) (  -0.41,-138.98)  217.17                80
 01/02/2022   17:00:32   (  -0.01,-137.03) (  -0.40,-135.28)  199.39                80